Immunocytochemistry/ Immunofluorescence: HDAC1 Antibody [NB500-124] - HeLa cells were fixed and permeabilized with cold methanol followed by cold methanol:acetone. Fixed cells were stained with 1:200 Rabbit Anti-HDAC1. ...read more
Immunoprecipitation: HDAC1 Antibody [NB500-124] - 1. 5 uL antibody. 2. 10 uL antibody. 3. Negative control: 10 uL non-relevant antibody.
This antibody can be used in Chromatin Immunoprecipitaion, Immunohistochemistry-Paraffin, Western Blot, Immunocytochemistry/Immunofluorescence, and Immunoprecipitation. For IHC perform enzymatic antigen retrieval before commencing with IHC staining protocol. In Western Blot a 55kDa band is seen.
65 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
The basic repeating unit of chromatin is the nucleosome, which consists of 146 bp of DNA wound about a histone octamer composed of two each of the core histones H2A, H2B, H3 and H4. Reversible acetylation of highly conserved lysine residues in N-terminal tail domains of core histones plays an important role in transcriptional regulation, cell cycle progression and developmental events. Several histone acetyltransferases (HATs) catalyze the acetylation reaction (GCN5, PCAF, p300/CBP, TAFII 250, P/CAF, SRC-1, BRCA-2). Acetylation of the core histones is generally considered to be associated with gene activation, probably through maintenance of the unfolded structure of transcribing nucleosomes. Histone acetylation is a dynamic process whose levels are determined by the net activities of HATs and the competing enzymes histone deacetylases (HDACs). Both activities are associated with the nuclear matrix. Six or seven different mammalian HDACs have been described. HDAC1, HDAC2 and HDAC3 are similar to yeast Rpd3 protein, while HDAC4, HDAC5 and HDAC6 are similar to yeast Hda1 protein. Histone deacetylases activities were often, but not always, associated with transcriptional repression and nucleosomal condensations. HDAC1, HDAC2 and several other HDACs are the catalytic subunits of different multiprotein regulatory complexes. Other components of such complexes may include: corepressors such as mSin3, N-CoR, SMRT, associated proteins such as SAP18, SAP30, RbAp46, RbAp48, c-Ski oncogenic protein, a protein involved in DNA methylation etc. Nucleosome remodeling and deacetylation (NRD) complexes containing HDAC1, HDAC2, Mi-2 (CH3, CH4) dermatomyositis specific autoantigen and MTA2 protein that is related to metastasis-associated protein 1, were recently described. In this way, ATP-dependent nucleosome remodeling activity and histone deacetylation may be interconnected or interdependent. Recruitment of the multiprotein complexes to promoter sites occurs by many sequence specific DNA -binding proteins such as unliganded nuclear hormone receptors, DP1-E2F, YY1 and Rb family of transcription factors, transcriptional repressors and tumor suppressors (e.g. BRCA1). Aberrant recruitment of HDACs by certain oncoproteins may occur in certain neoplastic diseases.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
The role of DNMT3A in development Epigenetics is the study of heritable change in gene activity despite alteration of the hosts DNA sequence. Change in gene activity done independently of the DNA sequence is achieved by way of histone and DNA methylation. Gene silencing in DNA ... Read full blog post.
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